What is force ? List any four commonly observed effects of force.
Answers
Explanation:
interaction between two objects which can change the speed or direction of the object.
Answer:
Push or pull of an object is considered a force. Push and pull come from the objects interacting with one another. Terms like stretch and squeeze can also be used to denote force.
In Physics, force is defined as:
The push or pull on an object with mass that causes it to change its velocity.
Force is an external agent capable of changing the state of rest or motion of a particular body. It has a magnitude and a direction. The direction towards which the force is applied is known as the direction of the force and the application of force is the point where force is applied.
The Force can be measured using a spring balance. The SI unit of force is Newton(N).
- A force can move a stationary object
Ex-The force of engine makes a stationery car to move.
2. A force can stop a moving object.
Ex-The force of brakes can stop a moving car.
3. A force can change the speed of a moving object.
Ex-When a hockey player hits a moving ball, the speed of ball increases.
4. A force can change the direction of a moving object.
Ex-In a cricket match, when a moving cricket ball is hit by a bat ,then the direction of cricket ball changes.
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